<!DOCTYPE html>
<html lang="en"
      xmlns="http://www.w3.org/1999/xhtml"
      xmlns:th="http://www.thymeleaf.org"
      xmlns:sec="http://www.thymeleaf.org/extras/spring-security">
<head>
    <meta charset="UTF-8">
    <title>图书管理系统</title>
    <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css">
    <style>
        nav {
            font-size: 1.5rem;
            background-color: #21D4FD;
            background-image: -webkit-linear-gradient(19deg, #21D4FD 0%, #B721FF 100%);
            background-image: -moz-linear-gradient(19deg, #21D4FD 0%, #B721FF 100%);
            background-image: -o-linear-gradient(19deg, #21D4FD 0%, #B721FF 100%);
            background-image: linear-gradient(19deg, #21D4FD 0%, #B721FF 100%);
        }
        h1 {
            font-size: 2rem;
        }
        li {
            margin: 10px 20px;
        }
        body {
            /*             background-image: url("../static/img/2.jpg"); */
            background-size: cover;
        }
    </style>
</head>
<body>
<nav class="navbar navbar-expand-sm bg-primary navbar-dark">
    <ul class="navbar-nav" th:if="${not #strings.isEmpty(admin)}">
        <li>
            <h1><a th:href="@{/web/toindex(admin='admin')}" style="color: white; text-decoration: none">恋文图书管理系统</a></h1>
        </li>
        <li class="nav-item">
            <a class="nav-link" th:href="@{/book/showbook}">图书管理</a>
        </li>
        <li class="nav-item">
            <a class="nav-link" th:href="@{/user/showuser}">读者管理</a>
        </li>
        <li class="nav-item">
            <a class="nav-link" th:href="@{/book/showborrow1}">借还管理</a>
        </li>
    </ul>

    <ul class="navbar-nav" th:if="${#strings.isEmpty(admin)}">
        <li>
            <h1><a th:href="@{/web/toindex}" style="color: white; text-decoration: none">恋文图书管理系统</a></h1>
        </li>
        <li class="nav-item">
            <a class="nav-link" th:href="@{/book/showbook1}">图书信息</a>
        </li>
        <li class="nav-item">
            <a class="nav-link"  th:href="@{/book/showborrow}">借阅记录</a>

        </li>
    </ul>
    <div class="text-white" style="font-size: medium; position: absolute; bottom: 30px; right: 40px">
        <div class="dropdown">
            <a class="dropdown-toggle" type="button" id="dropdownMenuButton" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"
               th:text="${session.user.username}+', 您好'">
            </a>
            <div class="dropdown-menu" aria-labelledby="dropdownMenuButton">
                <a th:if="${session.user.admin} eq '0'" class="dropdown-item" th:href="@{/book/showfollow}" >收藏列表</a>
                <a th:if="${session.user.admin} eq '0'" class="dropdown-item" th:href="@{/user/userinfo(username = ${session.user.username})}" >个人信息</a>
                <a th:if="${session.user.admin} eq '0'" class="dropdown-item" th:href="@{/web/toupdatepw}">修改密码</a>
                <a class="dropdown-item" th:href="@{/user/logout}">注销</a>
            </div>
        </div>
    </div>
</nav>

<div class="card bg-light" style="margin: 150px 100px; width: 400px;">
    <div class="card-header">
        <h2>欢迎使用本图书管理系统</h2>
    </div>
    <div class="card-body">
        <p>

        </p>
    </div>
</div>


<script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script>
<script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js"></script>
<script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script>
</body>
</html>